By Sue-Lin Wong and Damir Sagolj | PYONGYANG North Korea warned the United States on Saturday to end its “military hysteria” or face retaliation as a U.S. aircraft carrier group steamed toward the region and the reclusive state marked the “Day of the Sun”, the 105th birth anniversary of its founding father. Concern has grown since the U.S. Navy fired Tomahawk missiles at a Syrian airfield last week in response to a deadly gas attack. That raised questions about U.S. President Donald Trump’s plans for North Korea, which has conducted several missile and nuclear tests in defiance of U.N. and…